2021 TOYOTA PRIUS turn signal

270
PRIUS_OM_OM47E09U_(U)
4-3. Operating the lights and wipers
■High beam automatic turning on or off conditions
●When all of the following conditions are fulfilled, the high be am will be auto-
matically turned on (after approximately 1 second):
• Vehicle speed is above approximately 21 mph (34 km/h).
• The area ahead of the vehicle is dark.
• There are no vehicles ahead with headlights or tail lights turned on.
• There are few streetlights on the road ahead.
● If any of the following conditions are fulfilled, the high beam will be automat-
ically turned off:
• Vehicle speed drops below approximately 17 mph (27 km/h).
• The area ahead of the vehicle is not dark.
• Vehicles ahead have headlights or tail lights turned on.
• There are many streetlights on the road ahead.
■ Front camera detection information
●The high beam may not be automatically turned off in the following situa-
tions:
• When oncoming vehicles suddenly appear from a curve
• When the vehicle is cut in front of by another vehicle
• When vehicles ahead are hidden from sight due to repeated curv es, road
dividers or roadside trees
• When vehicles ahead appear from the faraway lane on wide road
• When vehicles ahead vehicles have no lights
● The high beam may be turned off if a vehicle ahead that is usin g fog lights
without using the headlights is detected.
● House lights, street lights, traffic signals, and illuminated billboards or signs
may cause the high beam to switch to the low beams, or the low beams to
remain on.
● The following factors may affect the amount of time taken to tu rn the high
beam on or off:
• The brightness of headlights, fog lights, and tail lights of v ehicles ahead
• The movement and direction of vehicles ahead
• When a vehicle ahead only has operational lights on one side
• When a vehicle ahead is a two-wheeled vehicle
• The condition of the road (gradient, curve, condition of the r oad surface
etc.)
• The number of passengers and amount of luggage
● The high beam may be turned on or off when the driver does not expect it.
● Bicycles or similar objects may not be detected.

PRIUS_OM_OM47E09U_(U)
3174-5. Using the driving support systems
4
Driving
Follow-up cruising display
Displayed when the multi-information display is switched to the driving
assist system information screen.
Indicates that steering assist of the lane centering function i s operating by
monitoring the position of a preceding vehicle.
When the follow-up cruising display is displayed, if the preced ing vehicle
moves, your vehicle may move in the same way. Always pay carefu l atten-
tion to your surroundings and operate the steering wheel as nec essary to
correct the path of the vehicle and ensure safety.
■ Operation conditions of each function
●Lane departure alert function
This function operates when all of the following conditions are met.
• LTA is turned on.
• Vehicle speed is approximately 32 mph (50 km/h) or more.
*1
• System recognizes white (yellow) lane lines or a course*2. (When a white
[yellow] line or course
*2 is recognized on only one side, the system will
operate only for the recognized side.)
• Width of traffic lane is approximately 9.8 ft. (3 m) or more.
• Turn signal lever is not operated.
• Vehicle is not being driven around a sharp curve.
• No system malfunctions are detected. ( P. 321)
*1: The function operates even if the vehicle speed is less than a pproxi-
mately 32 mph (50 km/h) when the lane centering function is ope rating.
*2: Boundary between asphalt and the side of the road, such as gra ss, soil,
or a curb
● Steering assist function
This function operates when all of the following conditions are met in addi-
tion to the operation conditions for the lane departure alert function.
• Setting for (“LTA Steering Assist Mode”) in of the multi-
information display is set to “On”. ( P. 124)
• Vehicle is not accelerated or decelerated by a fixed amount or more.
• Steering wheel is not operated with a steering force level suitable for changing lanes.
• ABS, VSC, TRAC and PCS are not operating.
• TRAC or VSC is not turned off.
• Hands off steering wheel warning is not displayed. ( P. 320)
4

318
PRIUS_OM_OM47E09U_(U)
4-5. Using the driving support systems
●Vehicle sway warning function
This function operates when all of the following conditions are met.
• Setting for (“Lane Sway Warning Status”) in of the multi- information display is set to “On”. ( P. 124)
• Vehicle speed is approximately 32 mph (50 km/h) or more.
• Width of traffic lane is approximately 9.8 ft. (3 m) or more.
• No system malfunctions are detected. ( P. 321)
● Lane centering function
This function operates when all of the following conditions are met.
• LTA is turned on.
• Setting for (“LTA Steering Assist Mode”) and (“Center
Trace”) in of the multi-information display are set to “On”. ( P. 124)
• This function recognizes white (yellow) lane lines or the posi tion of a pre-
ceding vehicle (except when the preceding vehicle is small, such as a
motorcycle).
• The dynamic radar cruise control with full-speed range is oper ating in
vehicle-to-vehicle distance control mode.
• Width of traffic lane is approximately 10 to 13 ft. (3 to 4 m) .
• Turn signal lever is not operated.
• Vehicle is not being driven around a sharp curve.
• No system malfunctions are detected. ( P. 321)
• Vehicle does not accelerate or decelerate by a fixed amount or more.
• Steering wheel is not operated with a steering force level suitable for
changing lanes.
• ABS, VSC, TRAC and PCS are not operating.
• TRAC or VSC is not turned off.
• Hands off steering wheel warning is not displayed. ( P. 320)
• The vehicle is being driven in the center of a lane.
• Steering assist function is not operating.

PRIUS_OM_OM47E09U_(U)
3314-5. Using the driving support systems
4
Driving
Example of constant speed cruising
When there are no vehicles ahead
The vehicle travels at the speed set by the driver.
Example of deceleration crui sing and follow-up cruising
When a preceding vehicle driving slower than the set speed
appears
When a vehicle is detected running ahead of you, the system automatically
decelerates your vehicle. When a greater reduction in vehicle s peed is
necessary, the system applies the brakes (the stop lights will come on at
this time). The system will respond to changes in the speed of the vehicle
ahead in order to maintain the vehicle-to-vehicle distance set by the driver.
Approach warning warns you when the system cannot decelerate su ffi-
ciently to prevent your vehicle fr om closing in on the vehicle ahead.
When the vehicle ahead of you stops, your vehicle will also stop (vehicle is
stopped by system control). After the vehicle ahead starts off, pushing the
cruise control lever up or depressing the accelerator pedal (st art-off opera-
tion) will resume follow-up cruising. If the start-off operatio n is not per-
formed, system control continues to keep your vehicle stopped.
When the turn signal lever is operated and your vehicle moves to an over-
taking lane while driving at 50 mph (80 km/h) or more, the vehi cle will
accelerate to help to overtake a passing vehicle.
The system’s identification of what is an overtaking lane may b e deter-
mined solely based on the location of the steering wheel in the vehicle (left
side driver position versus right side driver position.) If the vehicle is driven
to a region where the overtaking lane is on a different side fr om where the
vehicle is normally driven, the vehicle may accelerate when the turn signal
lever is operated in the opposite direction to the overtaking l ane (e.g., if the
driver normally operates the vehicle in a region where the overtaking lane
is to the right but then drives to a region where the overtaking lane is to the
left, the vehicle may accelerate when the right turn signal is activated).
Example of acceleration
When there are no longer any preceding vehicles driving slower
than the set speed
The system accelerates until the set speed is reached. The syst em then
returns to constant speed cruising.
1
2
3

349
PRIUS_OM_OM47E09U_(U)
4-5. Using the driving support systems
4
Driving
BSM (Blind Spot Monitor)
The Blind Spot Monitor is a system that has 2 functions;
● The Blind Spot M onitor function
Assists the driver in making t he decision when changing lanes
● The Rear Cross Traff ic Alert function
Assists the driver when backing up
These functions use same sensors.
Outside rear view mirror indicators
Blind Spot Monitor function:
When a vehicle is detected in the blind spot, the outside rear view mirror
indicator comes on while the turn signal lever is not operated. If the turn
signal lever is operated toward the detected side, the outside rear view
mirror indicator flashes.
Rear Cross Traffic Alert function:
When a vehicle approaching from the right or left rear of the vehicle is
detected, the outside rear view mirror indicators flash.
: If equipped
Summary of the Blind Spot Monitor
1

394
PRIUS_OM_OM47E09U_(U)
4-5. Using the driving support systems
Travel straight ahead paral-
lel with the road (or curb),
and maintain a gap of
approximately 3.3 ft. (1 m)
from any parked vehicles.
●Proceed slowly.
● The system will begin
searching for a parking
space.
● While searching for a
space, the turn signal lever
( P. 261) can be operated
to select a parking space
on the left or right.
● When stopping the func-
tion, press the S-APGS
switch once to turn the
function off.
● When a parking space is
detected, the screen will
change.2
3.3 ft.
(1 m)

PRIUS_OM_OM47E09U_(U)
3994-5. Using the driving support systems
4
Driving
■Function summary
When departing from a parallel parking position, select the dir ection
you would like to depart in, and steering wheel operation assis t con-
trol will be provided to guide the vehicle to a position from w hich
you can take off.
With the shift position in P,
press the S-APGS switch,
select exit parallel parking
assist mode, and then oper-
ate the turn signal lever to
select the desired departure
direction.
Steering wheel auto opera-
tion starts when the shift
position is changed accord-
ing to guidance provided by
the system.
A sound is issued and a display is shown to notify you when the
vehicle reaches a position fr om which you can take off.
Depending on the condition of the parking space, guidance to st arting
points for moving forward and backing up, as well as the steeri ng wheel
auto operation, are repeated any time multi-turn maneuvering is neces-
sary from the time the steering wheel auto operation begins in step
up until the vehicle reaches a position from which it can take off.
How to depart from a parallel parking position (exit parallel park-
ing assist mode)
1
2
3
2

400
PRIUS_OM_OM47E09U_(U)
4-5. Using the driving support systems
■Using the exit parallel par king assist mode to depart
With the shift position in P, press the S-APGS switch and check
that the display on the multi-information display switches to “ Exit
Parallel Parking”.
Operate the turn signal lever ( P. 261) to select whether you
would like to depart t o the left or right.
If there are any obstacles in the direction the vehicle is departing in, the
system determines that it is not possible to depart, and assist control is
stopped.
When the shift position is changed to R (or D) according to the
advice display on the screen ( P. 390), a high-pitched beep is
emitted and assist control will start.
Step and onward is for cases in which the advice display shows “Shift
to [R]” after operating the turn signal lever to select a depar ture direc-
tion.
● When the steering wheel auto operation starts, the steering
wheel auto operation display ( P. 390) and assistance level
indicator ( P. 390) will be shown in the display area.
● To stop assist control, press the S-APGS switch.
Assume an ordinary posture for backing up, rest your hands
lightly on the steering wheel without applying any force, direc tly
confirm the safety of the area to the rear and around the vehic le
and slowly back up while adjust ing your speed by depressing the
brake pedal.
● When backing up too quickly, a sharp beeping sound is emit-
ted and assist cont rol is stopped. (P. 391)
1
2
3
4
4